MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised websites, suggesting an attempt to distribute further malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to host malicious files on potentially compromised infrastructure. No scripts were extracted, but the overall structure suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://gopherandsquirrelcontrol.com/admin/images/file/43531784741.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160da718fd5404---46258366357.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/c57i38uq6ud0b23ejuu9il9bd3/7856633289.pdf
- http://archerelectricsupply.com/userfiles/file/jugebugezevijezubi.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16095654961c61---61005806491.pdf
- http://puppies-4u.com/clients/e/e7/e7f09595da74c05d2059c741134300d2/File/19328174114.pdf
- http://amajyuku.com/files/files/9566656170.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/9679824f10710488aaeb0990b834c286/67790273511.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b53b43723---xufog.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/39749955694.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607429510ef01---98972736146.pdf
- http://arohitourandtravels.com/userfiles/file/64259333313.pdf
- http://brandnewgoods.net/userfiles/file/zupebilavazira.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0134aaa10---kinerafijutul.pdf
- http://insureacompany.com/userfiles/file/fibajisizuzodapezakis.pdf
- https://kodcomputers.ro/2664/uploads/kotelebokamonare.pdf
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a858247ff8---40093856333.pdf
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/u2a0efinahhmpif1n2dqg5a099/lawasikuxazez.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45b60cba41---84256704352.pdf
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kurexukewidisito.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/63bf55e09e0429d6b766f4eb545dfc77/3002829131.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=reaction+time+test
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC18 | 16792 bytes |
font_01_sfnt_off0001142f.bin2b696f48e360ad76551ef1dd21251253ef598d817ad48a312e3b0cdf8f688420 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1142F | 10292 bytes |
font_02_sfnt_off00012b5a.bin453c1da33e112add747cc6c6a4c5bde7149f54c8f8eaea338f1f0b46810e2f73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B5A | 17960 bytes |
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